s2 = Procedural.RectangleShape():setHeight(.5):realizeShape()
t = Procedural.Track(Procedural.Track_AM_RELATIVE_LINEIC):addKeyFrame(0,0):addKeyFrame(1.0,-1.0)
p2 = Procedural.LinePath():betweenPoints(Procedural.Vector3(-5,0,0),Procedural.Vector3(5,0,0)):setNumSeg(10):realizePath()
tb = Procedural.Extruder():setShapeToExtrude(s2):setExtrusionPath(p2):setRotationTrack(t):buildTriangleBuffer()
tests:addTriangleBuffer(tb)